<?xml version="1.0"?>
<?xml-stylesheet type="text/css" href="chrome://global/skin"?>
<?xml-stylesheet type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"?>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=800386
-->
<window title="Mozilla Bug 800386"
        xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
  <script type="application/javascript" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"/>

  <!-- test results are displayed in the html:body -->
  <body xmlns="http://www.w3.org/1999/xhtml">
  <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=800386"
     target="_blank">Mozilla Bug 800386</a>
  </body>

  <!-- test code goes here -->
  <script type="application/javascript">
  <![CDATA[
  /** Test for Bug 800386 **/
  Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");

  SimpleTest.waitForExplicitFinish();

  var triedForwarding = false;
  var forwardFailed = false;

  var xhr = new XMLHttpRequest;
  var xhr2 = new XMLHttpRequest;

  var eventSink = xhr.getInterface(Components.interfaces.nsIProgressEventSink);
  isnot(eventSink, null, "Should get event sink directly!");

  // Now jump through some hoops to get us a getInterface call from C++

  var requestor = {
    getInterface: function(aIID) {
      if (aIID.equals(Components.interfaces.nsIProgressEventSink)) {
        triedForwarding = true;
        try {
          return xhr2.getInterface(aIID);
        } catch (e) {
          forwardFailed = true;
        }
      }
      throw Components.results.NS_ERROR_NO_INTERFACE;
    },

    QueryInterface: XPCOMUtils.generateQI([Components.interfaces.nsISupports,
                                           Components.interfaces.nsIInterfaceRequestor])
  };

  // HTTP URI so that we get progress callbacks
  xhr.open("GET", "http://mochi.test:8888/", false);
  xhr.channel.notificationCallbacks = requestor;
  xhr.onreadystatechange = function() {
    if (xhr.readyState == 4) {
      ok(triedForwarding,
         "Should have had an attempt to treat us as a progress event sink");
      ok(!forwardFailed,
         "Should have been able to forward getInterface on to the XHR");
      SimpleTest.finish();
    }
  }
  xhr.send();
  ]]>
  </script>
</window>
